{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664870119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x901458b170230a96bfaf69f3cf944ff879ffe18ac5b688494359c50ae4b359df",
    "signature": "0x63250fd9467d0b41a696dfca17309a923027daa2ce71fba8722e380878f73e89336eaa17e6c07445d597d0c6165c480f0bcf5e1c912f4b824589f6efe843b5c51b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}