{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "909",
    "entityType": "User",
    "nonce": "0x8b34859404699ce44e34a41f36441aef9d9483bf61a1d484e5d04e31ffd4efb0",
    "signature": "0xb88b327ed29920ed18d1ed422b698ba61fb77f8a9ed698ef91dfbe3afc0319466d9efbcde8a76f440e12f062323a6de9c19379f0384433a4f4367a31203bb1ac1c",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}