{
  "manageEntity": {
    "action": "Update",
    "entityId": "195770645",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb20dd7b593eb58f4638f0060c84f2e5dacdc3b7feeaea33381443517b6bf1c0e",
    "signature": "0x06389b7d94d90351f4a3eee53ce82a6848e27cec8495e74d4841a9fc3b0f840357dbb5057a0375dab0f98098e52a8ed5fcbf8057d2bad596695e6a12c36038cd1c",
    "signer": "0xAC44908c062077F7e16E70530FE4aC9C3075A694",
    "userId": "195770645"
  }
}