{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x01665b5a9fcd6cde42177c3b683b9197f68a3057bd3bc68f6086bc724cd5bf92",
    "signature": "0x8afb0620c2e15547ecdd6a927f4759c89127180f07d4bec0b5b14a64f1edb499071ec1ff476daddccb95b23a3ec00d400824b740dab1eccd5213e81b3317512e1b",
    "signer": "0x4013D1dCdA06DC781615451200c459B1d75ad819",
    "userId": "531747098"
  }
}