{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x61aeabb865691496e65003f0db423ebeaaec364ec8962be2db37ff9d75780676",
    "signature": "0x06211441a59eefd3494dabc4764ebb102d9bf449713254d12723564ed11798191ab23835484ce41faa2371103186de80a5bd07edbe478b41d94eac0b905714e41b",
    "signer": "0xE8Ec1bAC66ca573950B30a9B5Bff2793f9CC5C29",
    "userId": "734516636"
  }
}