{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860501393",
    "entityType": "User",
    "nonce": "0xe3497ea943c6a34748dc942de1eb731a1878a56c5b702b77e74ea53d710364b2",
    "signature": "0x38e119ab0e7e643d2c07ac17c81c69810eeba9f47b1aab7511d6b51e4c040fc3158be250172abe362316c4d7cd2922970395a2d2ce79319f3946141b875c3c201b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}