{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7ac8803f6c596bfa98a41c4d7616ca951595d2a49b9b1c0e6e7f657510c1827",
    "signature": "0xc7fa097400cdd392ecc2c3b4ff812ace97d6432de52793fd98cff6c59c7bcc905dd90bc72c86a264c6f7a87fc0f33b17516ad6413fa600c5dff140f3f5d045231b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}