{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951644728",
    "entityType": "User",
    "nonce": "0x32021138f42f50f0ff25e948efdcec181b66c2fb107ab0326861c6fb946c00b5",
    "signature": "0x6b371de57a9b82c9d6508698a48a41de0d0fcae5da0dad5a54bba7edd23bf6ec1d13859bf5e16d5fbc3f807f7212a6ec14f9eaac3f22f1a1427c6a99b242c4c21b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}