{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0050c192a1631354b9158c46c01de4780a643b4418f20183ae76f723e3d87296",
    "signature": "0x430d645e8177be68e4f0e7a0b1853f46c407a28320f3b45f9c7299dc540550e27314e92b75a51a3f5e84e650b0fc09a95670286726959836b20ec7a4d05d99df1b",
    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}