{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x532d3a8e45fec9934517531bee1635d184714c91e3245eea2895bc9dfdc85101",
    "signature": "0xd33a1f9a26f574d03c06c9c4979ad67ceaedd90f14900e7813171b76cadc9a1020dcf607a5e605bd4a6588c480f27dcbeb558be89a6771e33a858011c378358a1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}