{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13701",
    "entityType": "User",
    "nonce": "0xa3b66660e803b6a799fb27ac3fd1736c2ecd2c657f71457dfb4afdc5a42dc4ed",
    "signature": "0x84465fb7c9e3c98b830758ba40b5d8b2ef0c668b514464701772108d2d150c935b01289f514fd078d459e6b796260fd8e6f3f717b901f7b7685d1858cc01e97c1c",
    "signer": "0x03dB479a8E887D4696e53C007b70b3EA318049d2",
    "userId": "773573937"
  }
}