{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400407417",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c62e94273d8fc83e61e77907cd06fd6cab98c70d410c7c88dd808883872f4d9",
    "signature": "0xcba76d323a6e0dfaa8ecc991f5859f482de9b67ac52f38eaff8d7690e1ed4e105e5f5bd2242fc32df2cdd6cea09e4329cb2a9eaeb6fb18ed399a55f080d2762d1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}