{
  "manageEntity": {
    "action": "Repost",
    "entityId": "479878",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x527fb1ab66981c0e7133c96d46f4b7c19503f54a7fde20a91f9b4d1ea6b76540",
    "signature": "0x9b91158fc32d11066efcc356e0139c7cb6678dfa5247d3d19166e71e20b1cbfb727f15c7d85efc352009f772398a1ffd4eecd73732115251586177ffc6457be11c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}