{
  "manageEntity": {
    "action": "Delete",
    "entityId": "16921154",
    "entityType": "Track",
    "nonce": "0xbab2ac591bf6a033c3a11dbe7b7f700c6a1895a2852bb4301a7ff655600fa542",
    "signature": "0xaf6483ff70134d697cc806efa1ba623c8b1e80d927073ecc3fa5124e3dc413ab2247addccb3119196ada894cba52b200acc7d7324f4428b68b09c6d684ad5c9f1b",
    "signer": "0xDC0D952Ee67F648c9dA84187FFcD5625C66E4dEc",
    "userId": "362223750"
  }
}