{
  "manageEntity": {
    "action": "Delete",
    "entityId": "671408",
    "entityType": "Track",
    "nonce": "0x50228d718df5e6c7052471b07705e8fb103c26580ea88b6758bdbe914aad5365",
    "signature": "0xbbccc68989204781974a74c74fb688d3083717d04126a2d341f8bc1d9e83f9aa5450f9afde4c661b366dc9834a41a4265758e84fe33354115f3ad5180e381c541c",
    "signer": "0x6D5D70d78A0458836C6A4b0d3908a973bC070B83",
    "userId": "357641"
  }
}