{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573240734",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf27611eb621ff1af4cd317eb95aebef5dd66021c85025021d5326c8caccb371a",
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    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
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}