{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x257b345b13e3d91c23d34fe1b91297d9c0f394d23b4b40287af4053ddce75bef",
    "signature": "0x5bbe5552c536d1e8bec5a94318f0e4dad5b14aad7e8ca397a1eb1bc72bee3b9f6f71095f081fd5f2e07bbb2ad506545d8ea46e7545d09413a55991b9bb543ed61b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}