{
  "manageEntity": {
    "action": "Update",
    "entityId": "180140886",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24c3f4a97e8cf0aae00eabcbfd93e5f820e5874cd5e17f8b97dea980234a0648",
    "signature": "0xc58edd15bc8cc902a09fb8f7061ca3a2682037d90fa437c8d86b111f54d5a7dd1360d45cea8b1091628e3331e81b27c9ee328f46dd39c99f206089f97bf547031b",
    "signer": "0xdeA471AA0ff42704DEbC76E03C46a3E81d1Fb06a",
    "userId": "180140886"
  }
}