{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1589878521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x157b8fbe19f4cd5f16b45f09c66757260977553d0b8c0dfed0d90f1ad78fbccd",
    "signature": "0x4883922fa49763057b88e7d18daa6e0af2ee51f6d3e3732dcb87d008d4177a5003ae30794cc66d574e7391a4ce516d08575cef0028e1e3c5a614ce5ba93d0f2a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}