{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762013",
    "entityType": "User",
    "nonce": "0x7933356779d2ad256797f574dfa8e57047defd0277ec178bcfe2ab6162882207",
    "signature": "0xa717f484f041dadb68ed6bf261816d69d8feb92b2b9a5fd3d63d7f89fa9b09533f97e6cc246d8b660952059dcb82dc436eae6213a40d879914d17a5fa80adf381b",
    "signer": "0x9f5896C078219d89B9A5D8B9C381b7be8BEf4CFA",
    "userId": "56704236"
  }
}