{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603038",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb14dd23bd09d538e4f94765fe73d4bd67f1dc6d9596b0b430c0f1d101d765096",
    "signature": "0xf9cbe0d84add9cba9c24f41e85a622b88b637845270a7f02dbf9051d74e6f3c129a5a47099012b6c0324fa40cbb137e3fbf7a1b52906866c4f271f2d9105e2941b",
    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}