{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600744763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ec0d0c810db1b5d6dfdb18bcd73fc6845d06c63d5775e59ad728833a9377ba5",
    "signature": "0xbe354140a6f6d072eb32797bce1bf5543477e5c2bd48594a4234ea81f5d4304940d2ea9a9cc26766df606d9c9e2f0baa693e5a57875a311329d3e2d93c8d7ca31b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}