{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1361607771",
    "entityType": "Track",
    "nonce": "0x1144211cfe01a8cee10cce004e338980e81c77c633ee976430b187fb43e6b061",
    "signature": "0x4de5f013ab0616aa209d0f799fd9dce6cdc5449a80bbfac950387963872ec5145a41a5575153cd34e08503405e9039541610bdafc8ddb937a86a8cd6be8576491b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}