{
  "manageEntity": {
    "action": "Repost",
    "entityId": "597954",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xada0440f94da02aae1e8c7cfcea5a8bd4389c699fa51090ca63cb81d708ed013",
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    "signer": "0x354f479338B7F1593E5Ed2Bdb91a09c4bD12996C",
    "userId": "381478870"
  }
}