{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x47b619346e3d2d88aedc2732fd6df85a9dc822b41716fd47ea5ea7c0d94352aa",
    "signature": "0xfe30da077a4a3a115bedf40a06056674fcf97063f5d691cf80f7175b03c601221366226648623b49dfc663da20efc2289de5081a67e29e206872319774e3bf7e1c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}