{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604128",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9be83c90954bf21d101afd5502a81bddbeaa54c59ae357f946735342b858b7b3",
    "signature": "0xdbf6bf9d4094c5d70d51588dde484bd23d8351be36bf462e39e39e06b745549d7f8e09fdb9f45b9a33e7f64823f961d3e191cac92f73dbd42f5ae00b8f9bb9ff1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}