{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985480",
    "entityType": "User",
    "nonce": "0x785f671b6a677bd019e47597d36f37a36af115593f1a72811afc5b63d4208928",
    "signature": "0x713a8f9a1d3fb235af08baf10827de2b2b6ac69dbea39fe836de783bbced08ed3ca42d6a9980d776d6cf54cc8cebb7690971a3486a708df3de621eb97abccdbd1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}