{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "792741418",
    "entityType": "User",
    "nonce": "0xa2228f380bffd34b81f8601dcbd5c1c4b51fec8ef39bdbb03d6c81d53b08e232",
    "signature": "0x7cdfb96ef352f97bd80f63a4d79f0612a8d425b0c24fdc9feac80752583e8ff1209b90ba07fddb7a5979f37e6ebf4e855430129ae950f64f32989d66328627921c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}