{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544579",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5692a4b793e37bc4b1b1ecd7bf23e4ddde765650b1d003ee42cdac9f90394b4f",
    "signature": "0x2659257aa7b27ba508f27b5ab6b3097105ab50acda536f6002ec1a604dabc9e2441f6a9fb20a1b45e66d4e9f7cecca55d546e657558d31bd3646f7098bb19ad91b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}