{
  "manageEntity": {
    "action": "Repost",
    "entityId": "691581602",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x92770076de8507018024200d4faaa6f2a08c8df0a60840e73c8bd86a25e72528",
    "signature": "0x74042bb692361918768c90d80977f0e2b9f6e969d02b1300c63f5543f6061869148c986539238194537faf55dd4e8b24d3ffcd514e7aedcb5d4153e8a72d4a681b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}