{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666142",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f4f64167b9a2f4e5c1defcbcb0e84c45a581916d735fc6eda134c77ef8663f7",
    "signature": "0x56066afc6331fa30fe02ed95215565fa15ed009255b884fb4393b65a5c1f801c600df4635862ea9c8febeaf2f0fecc1fab62f10d5f0759dca34eabe42a572b341c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}