{
  "manageEntity": {
    "action": "Repost",
    "entityId": "864907421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57b0a39284ef1116ceb0a553960fd8e644cccae98ecfa46f194c0e9d88431394",
    "signature": "0x7a197befddc8e9d85fab2744d5e425b8c157dbd4183dd59b663a16689f63959f0d272f626e520d9cf6758d310254d010fe7614889e316e8f4e6e1f31423f98e31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}