{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458283808",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x76293537d6128b0d12b85042d9035d6dd27b6abd8e3ccc9d6033ade8623d5ebc",
    "signature": "0x4584fbbe90b4de4061c8ae72d3f583ea1c65a92e0035eb0cd05ed426349392ff051156b0a92292c0615b47f5feeda88fd79d8a6cbb42c519547ef7dc265ce72f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}