{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x597438baf0f530f4a2335a9e2c82c579929972beee0ea4012e13b5871d85f3aa",
    "signature": "0x73af965b80ea3904c59bd96d75af46ad1c7faadb45b725983f6a1d1d7f3d21c61ca4d4e94c9b4bfbfa8825b0369750afb83400bc779b8bdd3195f27da318442f1c",
    "signer": "0xD2F2E85916598FFb221B3d399A164cD39bd24DD7",
    "userId": "132339661"
  }
}