{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601426972",
    "entityType": "User",
    "nonce": "0xc3bd33ac33b4876d859bb7fc6bf4f24ccad77c9466e4fa90bae5dfe47ff98afc",
    "signature": "0x7dcbad06c979795dbac25a45d93373ef2bffc4426d23cec619971ad75aa0e8494816afa46bd125f64460ef5c343c6e8cb4009389a4e2ed4b14e3edbe83d901a41c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}