{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0xe8444bc15cd1d8eb7480a9833593dfc137580f20bded03644c8c1dde07695824",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}