{
  "manageEntity": {
    "action": "Repost",
    "entityId": "704575579",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x06d14274095fbded28a52eec7ffee361746653d084cb0495e36be3a4fa646f74",
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    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}