{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "57469",
    "entityType": "User",
    "nonce": "0xa805d837892925ad0e04da62bbbb5af2240afe6b78e11747e8afc9bbb9299929",
    "signature": "0x3a754d130c8956298fcec6d253d70e545907afda3515746b707ee1379a02dcec377da293cfc3eb2589352a7adccb763f788e6bfec06f0f6843aa61e22ddccca11c",
    "signer": "0x3B15C1247a5CC34F846b88f0E04B262f39b05C1e",
    "userId": "563285188"
  }
}