{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516644106",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb89db3912faf083f6b658552ea7df65901134394f14f7470b7c39b99fd33cc96",
    "signature": "0x185ccf13ef34fbb4b929543033607799795103837da4095b18546187d898736f24b443718810b975669e35942ec3a7246387eeb87a089d29e54955e3ca3d6c861c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}