{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504137330",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4900e42bc383fb01f4510ee01051419a94b334f670fdb260a14d326a5e913be1",
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    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
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}