{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599985584",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x618fb9d127779fffbef30b75ac25aca38aaf1e4e7ffc051f9fd8baca8afd2b3c",
    "signature": "0xd95f19411c9a07e2866fc92da91a0686c0cc597052c6cc2f10bc986cdcc79c0f1ee10721ce7a73055cca08b9867258660b6a0348cb8cb2476ad197a4c2c0393b1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}