{
  "manageEntity": {
    "action": "Delete",
    "entityId": "126003608",
    "entityType": "Track",
    "nonce": "0x1f04002d322d76de3ddf2a20be076d5361608bd6dcf194d0449627c06c66e5fe",
    "signature": "0xa75b76c07cb32becc1cf74dbd6f14c1176dd3de0c54c230b70ee83d9cb56023c4245c3cdd4ec03d5cde7177c2c7a44fa6d6169c68400d6ea76c79bf4b9d9f7281c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}