{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553906647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb13e182942e095884677a0cc2487ac7d3be434cc07e2eae870aabeda123a267d",
    "signature": "0x4e20f912a3d228deffba3d1a504db64424eaaee11b044cf76cfc51d0f543437c5732b20214b0072ba46e49b0dbcc16afd12384a6e6b31ee6ff91397154fb85291b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}