{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398458605",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xda5781701e3ded444dc35d63c4a583ffbe6ca1b37fce4cc6fc93980177e08baf",
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    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}