{
  "manageEntity": {
    "action": "Update",
    "entityId": "741034320",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3d6157859acd162957a586b0f8263afa998fdd411bbc2979ad6c469780ab2ed0",
    "signature": "0xa9be4216210c1f695df1ac9b487516be474e0b232a45e5b4d243ebc481debfd8676b4c9e2227ac8b36eb2f01413a99bf744bb467f747222f06124c8128c9edd41b",
    "signer": "0x0a5876E0Be2cFcE16464311C98B02EE9A29f4Fa0",
    "userId": "741034320"
  }
}