{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645237",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9856f55b89eed8423e308d63648570ab4c2ad75e9017306a16abb4f31cc75a1d",
    "signature": "0x964685b51f5f7cb1c88953c5162ffea6e7fd3fea5629aa2f74b75fe6a46daa081740b23b044e6c61e099504a2a50adbd45d80124ed118b4b5d467e455cd62c3a1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}