{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0x548b41c95b67bc1e9c470d207b83055b9b08349183faeff6bdbb2c09eab4340c",
    "signature": "0x055757e3eb1ee53eb3ebf6fc42465769794fd35b48e3f96a184186a4dcecfe410e14e76824c70d63fd5755072a9908a62ad3a744bd50e3c5ea4b9e01d6e14aa51c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}