{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1289052021",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb999b24a8914d88a1fdbb8bd0cb31e68d3002547614ee73c113f6da85ce79a17",
    "signature": "0x52f34926c9f72e69d475797cae5cdf1d693695a20059e876f44dd03f7f65a2f85a3342a37c9519a46ff54c435d233c2ce2152273a63f0592e2e5f1c893be2b2f1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}