{
  "manageEntity": {
    "action": "Repost",
    "entityId": "389420329",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf6c397df7f836bce9a8d8a8d4c96aa45e885edf51f40ee3489bee395896d3da7",
    "signature": "0xbf3f493cb55611a91ca0b2f46f59d72e106813a1894835c7f25d0d66dc4db93f65ad15cbc7ecf50a4a3793cae7888a3b22bb7471b2f3ffec7ca9c5c77a88c9e01b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}