{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xee47ef76dfaf509a3d5b88a1d445ca7c305bc3abe3ea59dbee95b7769b3176a4",
    "signature": "0xeaa326128d5646375553b4d43891508eaa5c9ceeabde1a2445dd8ab9120dbdfb681fc8f67b42643586ca42b69474cf0503b4d56dc35a6ec4bc3950b0198ab60f1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}