{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1038902",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57f1884a59cc392b5f397c66afd512a66f5a6d629fe8748ace03aa27d2f558a6",
    "signature": "0x20746d686753fb261ab044520db18eac75b44f57645e1066dfb90c4e19918a575a2f76dfb05e2c627b4dd1a9724e42e0fdad561f1edd9fae425b7d79f78045621b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}