{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21384602",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8028ab98125d0412bb35f4fa00bca50e84e9ebdd1ceb42f6f111b2ffb371b959",
    "signature": "0xa57f8c2312ecbfb3350be49bf5f9c9b657c1d44c89462d986aaa559478dfd6312baf74660f8f10208d75217ea295370c391075b1d2c5c21c1733142ae11334221c",
    "signer": "0xf954E35976C0aAaEC2968197F2a371Cc99E7C81A",
    "userId": "102143"
  }
}