{
  "manageEntity": {
    "action": "Update",
    "entityId": "295703952",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2b43a6188c31f6bab24071998524ab127beff6ed4f256455d1b79cc2979dc632",
    "signature": "0x8e00c82b7c6548147f46e1f100d7d1e58bd510f8d88d7b88eaf996b5ddcd1d5218d0cb7546521d9b171f9b31cdef33cefb77b15a918cbbc010bf1d0ef97ebe2f1c",
    "signer": "0x89e23b3131f8021785D209119bb2b8380dFc612F",
    "userId": "295703952"
  }
}