{
  "manageEntity": {
    "action": "Delete",
    "entityId": "468037",
    "entityType": "Track",
    "nonce": "0xdaf68f0d6cb36584a49cf8cbe4fb84215dc9899fbc8bcb5fbe7beb98d43c510e",
    "signature": "0x2f3850f919b6d3c96b12ef4ec4d62fec6e0394233f489275ce24496ca73cfe0817aeb0883bfb3b440cb08bc57bc7e45b44c779dba73c5c39f4f93c02268bce9a1b",
    "signer": "0x987A4CD7A2ff80f9360b0130AC51e6c254922c39",
    "userId": "142292"
  }
}