{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250547",
    "entityType": "Track",
    "nonce": "0x23122a8ad69253750ec6726c293e54895f5a4c9ae454c4c7cb3ddaa01ad81c03",
    "signature": "0xb3914b16eec3df6d541e1d590d7a9e051abb234997528fa7344b1371cdc0e0f11bbec2fef4bebf93e73ebc695d738f182bf193a10e27228385df1d1b43abfe011c",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}