{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22144600",
    "entityType": "User",
    "nonce": "0x9bb9b48a61bea3798a15c15ed17611c624b645cc7eac76393a9814ced392202a",
    "signature": "0x8e9e714abddb967f9b30b1b523fb041c3bf4c6c3ea96867b2c7d66a00ae9631c3345d2da03e08a3012bb11c82e9ad52a9388619a90c758b0ccd6ec554e6856611c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}