{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892407125",
    "entityType": "User",
    "nonce": "0x1522be983c6c205a83a9928bd3a3cd97dc74f2cbbc50e9af6b83ddb62dbb6025",
    "signature": "0x46f27d173e0ce09204ce6fc77d86850c30d4c279cac981acd6c61eb4baf528f0225190b77404f359932b3bf340a5ffd5c52650a71c1668eafdc281e69b2b9c721c",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}