{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617072743",
    "entityType": "User",
    "nonce": "0xd9e1cb322711eb44c18bdb1c8622cdd9e0587fdebf1ae5fb8ae6f3fdd73c5628",
    "signature": "0x72fe9a0786aca74b891da577aa7c37b4c27fad88e1b8a7d8a73e412b89b19848652d1cf8d756a9d40868f6eb0fa4e64f30074869c8e7802d8d0bf675efc4a40f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}