{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281470566",
    "entityType": "User",
    "nonce": "0xfe79ba7e4b39f97df9362ed5211bc36e8b8aa8b7e7fde21a1f299a3e853e81b3",
    "signature": "0x17b6f0491adf6f8f1e9b37f5f1e492a074a031c7c1ac3e2adf6e689a8b72fa7769651e6e2827d9066162e8547b792ec748fb06fc03821814dab0ddd5420d6b5b1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}