{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x8111765ed94bf958a41cde4df54be3d1bc6533141d7bff7c8250b21805aa1d30",
    "signature": "0x3bf9b70faa5171f50e29eaa31fb93f1a682b23e2a7e90fee4feec3ba498787e20f55a299d0abfe7d184c6cd27384e0a13c773c98839c49f60d20927ec2ec78861b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}