{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x09b3f9b4b380bfb9771659a5355c9a102e5a4a5836f716415d34e1e0c6c873f6",
    "signature": "0x6de46792c25e1cb03a783e94a6e742e9429148485c1d3dbc6696b534f937eeef33079bfffb509a2e58022df8bfba9132624c2b7d63a2ca1ec771d2c70a90afad1c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}