{
  "manageEntity": {
    "action": "Repost",
    "entityId": "221390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9083bf30641896446b29704857f5192ddf7c3e59ad9f1514d0cada057d4e0d18",
    "signature": "0x764fceecc1a1d0de9426ee75ca66311112c3a7a96e9a9d3a90f376161cae21e76a4d18d200d768f49bac7119dc5a07738de585a2d7cb3eff79b9827c533db0ea1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}