{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1668776523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4004af1865c2f828cf76e7cbf6d8aca3e78cf297c2d8a9bf4b508eee63d136c0",
    "signature": "0x575727f8aac776c994c491e988cc9493f0ce8a104afc41426c9996e9d53b02fe5bba121e970562be10dd02e114b5edac92652f7e62433746343df65462d9070c1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}