{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294928",
    "entityType": "User",
    "nonce": "0xa516625f7f832a9019519b2b6854ec93c0aaddacec26b2a75c349aaf5fb7a3e3",
    "signature": "0xdbd63dc389ae1f1dd8bd94d1b403706a11eb4e4866bdc2263dbd4fd02f0d38cf12c585263ca3af32728502ef38b0854b1201c464e9aa8f640af779148e037e801b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}