{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f583783571ee1f3987ceac7e869bedc11e17e8d80d770a9c456a34453d90fa0",
    "signature": "0xdc4d4be4be655645faf123bf368db57bfa0b83b70fcb8a382ba5753351ef0dec49ba07187d6103e55a4e16a2b891d38e2ef8ab19960a36263522674f45dc309a1b",
    "signer": "0x039B373889390834C72BfEdd1fCa4e39ecA8FC3e",
    "userId": "805960080"
  }
}