{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "783144909",
    "entityType": "User",
    "nonce": "0x736ba5a8dcea924499288d56650bd6daf80036fc1879607dbaef379f283ea891",
    "signature": "0xa5fbf816085de4c688459ea18a0266ccbefdd9158deff478f4e4189f85fafbb1644598aae812cc51094bacec4bc58ee2f1a5f7a8d361f95d2a64c58da139a0461c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}