{
  "manageEntity": {
    "action": "Repost",
    "entityId": "329408",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x03d0b8ab0a036d3f24c5d690afdf25ad912569d622f3f0c3a94d66c64e4f3b5a",
    "signature": "0xe3f8f87b87f7e562d4709df0892a69b1231d9623f812d776d4af1f71c4d4f4414a2f7cacdcf121eafe75f62f1fec83b4a22ab74fa675e6a4773838d39a77ff121c",
    "signer": "0x58EeE406DB0683Db4101A97aee427Da7951e499d",
    "userId": "147070911"
  }
}