{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601939963",
    "entityType": "User",
    "nonce": "0x714e145a66083413ed4cde362e221227580086c3bc534f1de1eb17cdddd14697",
    "signature": "0x65b5e39cae30fc78ba82f698eb4aa3569016ad4e03137a6aca63f76b3529e8387444b1aac6a5cf66494cefe13f60e710dbf29e00865d66abfc6658947588c5e41b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}