{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217320",
    "entityType": "User",
    "nonce": "0x78d24398d61454859f0c551b5b31c8afaa6cc69dfeca02a7f61f8403a4b7ece6",
    "signature": "0x9e6dd2c7d20e94b7a3c1d79da2bb22cd23860f0787c9353d9275c106c117fd94433e4f0c7bf3887c9b209fc9a426802a2ed5fabd60869631fc4ed034a52920631b",
    "signer": "0xA58E9DB71bd7769eD0ce2E3B8570c246C1157776",
    "userId": "636373789"
  }
}