{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x526e470f6d0601004403d1f3cdda75d95941283b4dc4da88c46a239ca2727456",
    "signature": "0xdbe6aea0cda4138f10ab6c95821c80e9f445232a3ec88112bf9abafb624b8a0e5334ded15c86f0aa77b68339fd12e619f2769c6bdd9cffe6c594ec781b2266f01b",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}