{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669463465",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4eebda2e6901e16b4bf250a678420d08b139eb8ff76d14e3dc7af11c36544f53",
    "signature": "0xf5361738bc6d11f65babc81a38831335208e5aedd81308703237e58a3c73349c031b357193148e17c7f724499aa2b6811822c04d9a035fa383fc40c1cf1e747a1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}