{
  "manageEntity": {
    "action": "Update",
    "entityId": "242893136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xba02b74a64782f6c780f9f4c09cd2651d852c2f5a0aba5d10b9f3b0350f17365",
    "signature": "0xc5aef239e00bede8a70eaf661eb5fc52a981d1dcf76113af745043d046f49a916dac245efd29359034b28be2193c2c6dd9b89504448e3529da94d0f954ad097a1b",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}