{
  "manageEntity": {
    "action": "Repost",
    "entityId": "128453",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x940f9c31070a0817b81d8902fb3f75ff7c52a7d7ef89bc52d96fcc4f1eb4ed8f",
    "signature": "0x6658617b9f5eb0d656a6a4c9b5bb929d67ff87ba53ee2b266295e42b2c605ebe07d135f3eb15eef53806b6ce601965066e6135b096f70aa290ce5b69022c4e901c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}