{
  "manageEntity": {
    "action": "Repost",
    "entityId": "435703",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5bf56b55d702bb8a278f339ac70452c452c85e916480dbd5310b26dbc36d3bbd",
    "signature": "0xb3e98b19b0cc36b603fc2d13b7e2f0dc300b173dc2240ba73cccb463fd90539357faca35e19933d1872065dba8065c28c0bcd08abff6a5b3597078882d615cb81c",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}