{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb70503d41dacf6fa5126dac5472b376716b6a32c6bfb394dc6506ea96c7d0a58",
    "signature": "0x31f1b9a4eed6892e8c157bad4465d1081045dc5aa846a0c61825c8b65d5080e14e8d5d6919162bdd154e1d0f8da2cacf5a71a78cc5e9d3403ea8950f83ffba491c",
    "signer": "0x730D61884359389d8aA22afeF2b83FF4F7c9ee63",
    "userId": "342017819"
  }
}