{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504365726",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c87017c5439de9fc008c0c6946b365a4acd8647118ecd0374165d68b16d79a1",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}