{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621883692",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f992402f5b2cc4dc731ae3dfe9ede5ea394f22ca9a5a52ba301e605c4ad67d6",
    "signature": "0xa08608cc74dc19359b233520d21e70b09e820409faa151d9b2f28774bae679a474e66222c6c293379a9087a02ada76e6869964eefb337e8da898b6814b6a891e1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}