{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48765",
    "entityType": "User",
    "nonce": "0x1c4c7ae469de470773547182bdf7b7d26a41dfdd212b63b1a613a25533671c24",
    "signature": "0x7a7c1ed5d6327349b36492b04d2fbd3023a8075f9705b3e0dd2c1f2922d6d6d762635a262f071a9281e2f5c420e08c26225040fcc9ab2c0d51ff50f89ad171261c",
    "signer": "0xF6F3Bb01882EFecE0434BEa23F34C89A99b978dd",
    "userId": "657190079"
  }
}