{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x07766a87e44b88b1ceb9f1b9a6aa27552810f3ac5dad298854f25c8ba059604c",
    "signature": "0xaf6d4dc2f781ddf470161606e2675fef721b953bcce2e1cf1977a3823d7218f5525fc831c2a9668575019d904b72e27b9bf53aa928145940531e5cefddc2dfc11b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}