{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65100",
    "entityType": "User",
    "nonce": "0x452af8e78e15d8bdb4616e63aed49546aff1141ce5532e90c262cf6b28c7f874",
    "signature": "0x2c4dcb2bc4644de530f0c06c92e870aeaf73ce0ebc2c4171bc67e6adb3f50c226772d1245159d568497f8b61e24c68af5c9d6758f3bbec93fd21bda3500f7e781b",
    "signer": "0x09Aad929cFE72962Bf77021998ad06853BB57b93",
    "userId": "702879195"
  }
}