{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x1cacb7823227fdae33b921fc47eb14cfa0def7598f565d61ffdcc6ecb3791e4a",
    "signature": "0x2d5343bd0f318b38e27631c6da47740b778cc3cd70fcba143ee9aa19168a1f481001e19851dc277a39fab016570e382185116d77bf3500e03efa305bfd1d9cfd1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}