{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "523875",
    "entityType": "User",
    "nonce": "0xa3665c81531acf165a762e1d15588526a752118a41590ee6d43571194605fab7",
    "signature": "0xae3085d8d8f5674274a529a075c4b2aa968305d610d2a87f5c75dde3d4769eeb43e011a5adcd35dde236037d3d7ad4e912c0526ab0a24dc34326fe7c86270f6d1c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}