{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x50f0f733cae8d6d0b2581a9a8e00b12159e591afd8344afad07a65e76b3dfad1",
    "signature": "0x72b10b54b21121eb278dbf0f0affd2876288f4fbb25b6a5b269144274b5e6a103842207285762dbc02cf84e52c6be6bb78b70e44e3e28d2da2207d355a2c12291b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}