{
  "manageEntity": {
    "action": "Repost",
    "entityId": "374878656",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x505944560dc96d9e3147b30b4e3fbd9272e05e27b3d156ca1b592ccb9895aee9",
    "signature": "0x309645ae8d68b3ab77ac8747a6e7df7115c6a5e5bc84b824ea710d9a88f8d4fd0ce4a5139fcfd21756e870215993c92abcc6b9ece2c3bbc0def7355ec0e135a01c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}