{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10678",
    "entityType": "User",
    "nonce": "0x16f5c5b26169acce523dd22ee045dc7477fedc0d14345efb07f7bb77e66991b9",
    "signature": "0xb897469d4b8d0c463863b87254922a66bc3594cd8cfa45421948c793afbc1a761caf135a9426d48f2cbb94c4053d0266886705b5db7168be36955df24b61f6ce1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}