{
  "manageEntity": {
    "action": "Repost",
    "entityId": "597985543",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4add9e22fe905c14fd4285106b0cf0e9dea303cce141f31dcc4afe20c822c6ae",
    "signature": "0x5344e283bbbe040db04ab4b829c6a5be2ff4f3fd687deeb0f2b895a64e74c65d24e4bc11a2fd666e1403a75ce72b54c0e76a7e7f1776d2491ff16b0ea54fcd991c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}