{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "656289257",
    "entityType": "Track",
    "nonce": "0x42616f80427bbb34fa6fa6612ec71b13693680f354df43cc9d4f1b57195d4907",
    "signature": "0x0fd0e3b871a30c9ce4036acdb9f637ecbcb115186b443412c7fd5e53fa248d5e6954b5264c94cc1ff485c57cb079a455c48acb5c5b253acaf6f574b56a3fcb8d1b",
    "signer": "0xA01ebc830d66b9A7a47A2EC95BcA34ED6EB49a45",
    "userId": "463524416"
  }
}