{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xece68286e69d11d1132f80ef8fe38519deaf8ee09770021bf06730d22663de98",
    "signature": "0xaefdb7f07927c74e9b08649c138641373a8ff41a5ae8dc1debe352ddc534b758394b92bf1108b6dea40a62d4ce70d1394faf082add7a22e6343823857c2045171b",
    "signer": "0x25ec36593ef5abE8663D916865ef8DD80BE4c1D2",
    "userId": "91562943"
  }
}