{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "592079",
    "entityType": "Track",
    "nonce": "0x33c37cc9842987d47f0b3e3b3a52d05056248742529ea28e5b3148bf8d1b338a",
    "signature": "0x8c70295d4f9f483c5a3eba541060b2fe69a74342d0c28f57d7013b388e683cce46b594bf2535da0b459d25ff862a690af10c0558b9d83cf109d8c57548075f811c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}