{
  "manageEntity": {
    "action": "Repost",
    "entityId": "329446",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x953d3751b4a724750bb3af8f32fb01bff1dc1ee8ce4a55fcb0470561357cdea0",
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    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}