{
  "manageEntity": {
    "action": "Update",
    "entityId": "487437002",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0c81b6696e66d9a0c60a0298665bcc6ba27f0b0debedfc70a29f2ea1e9d63ffc",
    "signature": "0xe6f07297e91de1710e94f30aa62526e92ce9f44005003df45f7a942fb2649fad346ace52593804a38e66715db4865b308b167ad06a84445e8125d541f5566a6a1b",
    "signer": "0xdE63b4988BeFAfA6DA439B1A19b5d3B2a000A05e",
    "userId": "487437002"
  }
}