{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399588009",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd586adc5a39a52c220494c32fae25e54047557641d6d7765bee590d7bbf376d",
    "signature": "0x8b86ba950f5e4c76dd659fb13c96f24411af2201f8bce9a570d313e8a635aa6309c74421b8f0e23c3402b04789027965b28c00c13b7752eaf1aed2cf714bfd6c1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}