{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67066",
    "entityType": "User",
    "nonce": "0xe9d53191cfcce67f4b006ae9d0fbadccb7c8e5a4f8d8c1846ea01af4912aad16",
    "signature": "0x6007587e7a05cefb24b36a6f8c7d93df843d8b6b5209ef1c5b3e7294fb00d2c0139924b9d11e9e22f953f76954d169736699484f045ab99e07fba7e8558c4c0c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}