{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1873799362",
    "entityType": "Track",
    "nonce": "0x0c7b3c4335e27c1045050a1f1aa57941e107d4abaaac8a644a2cdfd7b94f5e11",
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    "signer": "0xA78Fd746fAA824dCb68b68CC13fA9812a1ff2069",
    "userId": "753406205"
  }
}