{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd52e171c751e786272f0515a2be029e730b3c9c1f7d83db925771b5c2705d53c",
    "signature": "0xcb0d41a7b8b7a0267016b6123dc5778e21244008490199adb0e771a178c25a6560d6aba73a26f470aa3363eeec4f0f4aaa5d49120da62053229758b78b69c6a21c",
    "signer": "0x19760e0D2dD2d426248fcA888e3FF2aF3778BF55",
    "userId": "833349029"
  }
}