{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71183",
    "entityType": "User",
    "nonce": "0xa200010a5a58e0dbd3f30eabeed079933b30dd12786954caa0b50edfac7e52b3",
    "signature": "0xe5df22aa2c26d078cf3a34be9c47e42d7ada5a653ac8d9979ec902e8d74f0a8c73cfe89cf19adce8c9a50191c3306a5292ece948483d8b2b0167921763b723351b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}