{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1b0571b1a6bbdeaf1ac92b5af548340d61029137decd1921511293a56ba1062e",
    "signature": "0x670ce364dd9062e404552af8d3d6fb35dfd12d7461922fa48b1aae823abd86ed389a2ae361f22e230fc5bd0c1dc2eff7a857ea310ffe8d147436096c64a7ac991b",
    "signer": "0x4AeA8c763fb5C7Cb118A5aaDF80007CA553b58f7",
    "userId": "907434102"
  }
}