{
  "manageEntity": {
    "action": "Repost",
    "entityId": "357645333",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xafcb536ae682c78fd17518ef291534ad85d9a37255d1f9aefac70dfc1e3cf26f",
    "signature": "0x5c85b6e7fb7605a6bd6439a00039f31b287eacd4b2ab5485521e4ccad6fc4aee6acc2b7d1c7d17357ec0877303530c73772429b2bf3fde67b71f3af9500e7a0f1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}