{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475238587",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b6df7cc2d7101df3dc3f29c507b091abed11ff378459ef8b9df2b5a7f74bec6",
    "signature": "0x0a1fdfcd00dc1fd03fcd952000f8281acb2b7eaeee5eccb6f518761f700b597702968b3d8ad4978c94fc8bd0ee9539773b92fa2fa14127f787b32fa01b3a2ea21b",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}