{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49285",
    "entityType": "User",
    "nonce": "0xcae9a2e2aac61c31ab16dd8ebe578340324e487d59c6ebd64887b255c93ea287",
    "signature": "0x52d38fdf68c8fa783589d2bc658067469df507ed09077671628ab7b096e6fb9f64488a582b717d6856c3eff3135c9c170efe74941de9823e05c5b99f22a469431c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}