{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553111",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb973fe76e79ab6c7d52bf1be0a43991c356d1f5deb227376f32afe89a4416284",
    "signature": "0x9ddd889527505e290cb3a17fed3d282635b0476e85f1016011988b050c955709096ba456fe8e9ea927fdfe492d09f357e5cd8533d56f2bb750e3c5c028cccc9c1c",
    "signer": "0x356cabAA7E8435B742370d31C5060c2B3E8CF6B0",
    "userId": "54292"
  }
}