{
  "manageEntity": {
    "action": "Repost",
    "entityId": "687989369",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3bcc46181e77fa5b4d8ee5e29587c011d0d7519cb56c252930c141eefb60245e",
    "signature": "0xcbfb7b5fd2eb663faad914f62e43401dac149bbd3e08f1ef63a1d8c0c9a8dd087198f8e187f661ccc10a1cc0dc81d4beffd3a2a1cca8bb2ab77a3ff540ea46da1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}