{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18103630",
    "entityType": "User",
    "nonce": "0x9576ec9bc5a94263a2284a4101a194788d90b6f85766203ff8170ca815c6fc69",
    "signature": "0x6656f069b2b8d9e633f623ed1d608fb316a79dc79d7b465d32396dffc7e5b754524151af6bb84841b156063ded623fb67028d53c48abf43c50733e03be9646e21b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}