{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1626894900",
    "entityType": "Track",
    "nonce": "0x3fb4a26ed55b0e0655890562fcf28cb4178bcfddbc2e3e0fc5970e8c8b5ee9c8",
    "signature": "0xb0512b05a4e99ad3647d46fa0fb2677424036bd421221e6c339e60c7335c452c7189029472b6c41d56d243c9186e048bbc269acc788f3098c8ddb56b2e6022601b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}