{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1139153047",
    "entityType": "Track",
    "nonce": "0x454adf1e8e271547afae6c501eff41e31a0552d18e8785f29f2b82851820f41f",
    "signature": "0xd53ab8d9fe5c03116d1c499e66c39031cee05aa9b8d4f6dae1b0dce7eec89c8903cfe6e50575db7d403c40e3f9861664769f9841a35fc3a8506ae995028455661b",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}