{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x8042f1d9301627c8e62229348a8b7ddae0eb5c46dda5bc051e21ec7f6babde0f",
    "signature": "0xc7d1cd0f7a2d7ed520a1ca1373a8eb760590a88919068df3b39a698069a2c68b05e55ffcbd45bc9fb8679a850b902b58f3b776b6d73bf2cb7435f32131a3c1be1c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}