{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57021",
    "entityType": "User",
    "nonce": "0x32a9d02e43210387b6e9302f8875fc4e89c3570a76415c83b04460ec71b59170",
    "signature": "0x42900231f0f5a02903aae05c2a1fc3cc451dbc33c23df70817b764078647b1ce7fd4485d31b9428565fd4b171482c83ee4f0351f37fb413673c5571a08a589d71b",
    "signer": "0xD8518cC9A95ee58dA8ac66F2A6719aE12CEa0aCe",
    "userId": "595924827"
  }
}