{
  "manageEntity": {
    "action": "Repost",
    "entityId": "667649738",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6346d8eb5fe34be2028b2daeee0dbb0fb77f96283c2157d7b04c7f0345b08353",
    "signature": "0xdef5e2f2f3c88f7c997f5c26a36eb9c07e668575c646eee8f39326181801ce0f68b964595ea6850dbc2a7f7779e9f8590ec074a14cb9452c7ab26b08c2ab9ef61c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}