{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "655694486",
    "entityType": "User",
    "nonce": "0x9ab8fb757c7f292da8bc704bbf24a275a8aeb98e15249b27d1c9bb2180fdaeac",
    "signature": "0x49bfa862c916c0fadbd5cc3c289d1c7cb5dd139fc76205044c5e5b5dbcaa2b044153be89a2611fcd24eb34374e9bc5715b71917ac0827cbe49e10fa941f2854a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}