{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644285686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x48164cf1aad5b089e1aeb6f5f7c9d9c2250fbb34367010a098f9cc197d215830",
    "signature": "0x155654d720f241ca1c1b8c1d400e15e31c28c63cd64046b2bb9ab450862a206c653560aa82eb0750db9c1f785c97c274a12439ad106b48e6e27d28ccf24e924a1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}