{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544196",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x580b197436dda8a723ebbab912e4561eac4f76323444c248c780730d96548659",
    "signature": "0x2aa83a797522bca30d8568a6551009a09c2907d77c6572633912474544ad925925feb71a32ec46d0a8e62c42c707bd987379b2988bb84d845d02420772a25c731c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}