{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "259876",
    "entityType": "User",
    "nonce": "0x3d8678cbb1e24f375d023fc3bee921b59171a60416e336f3a7aa47112adf0cde",
    "signature": "0xe63e59fa2a79072e4856947b9e88e976e219907a4958646834615e9fb017d856658270761c4c8ca1c741d72ff837f257c6491a36e1fc3e8101ace8523d8358e01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}