{
  "manageEntity": {
    "action": "Repost",
    "entityId": "293123000",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa642ef4a2730e86e0ffbe0de4c5bb6e810a1bd1bc288391ee4f301ddea1b758e",
    "signature": "0xd3954e9581744ee85b178f5f2bbe24e8da700a2bb78bd5805522a74a80fbfa3b4faa89db3a631057d5f91275c3a35efb04a1d74eafd4d12770479b58e5f0f1d11b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}