{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xa6661e3570161e48402010f4b02c272e4a74a1db8bf6645eb5eaeb5ffa8fb30a",
    "signature": "0xf7ffad5ddf4f7e7746767bfbf64ada734874e6b3e0a026086dcfab373ba6415002dba0219a558181f0084fbaf85c6d07d184a3232677acab361bd48bbec32a1b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}