{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x19c546912f11d1bf7c76bd17d80c163d6d5b3da8860db7459f9dce1a2ed0dca5",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}