{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299104529",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x571ac7a83d3e20c7e5583bb0d2e4f0b0b427fb2bad2a4cf3f7668b7f3398d885",
    "signature": "0x567a86b595a4ea57cc59028e042fec97759b4873fa919c817b64acd6500857631184f63287ba587bdf6121ede7cc88ec9e827f0b79701d3d3350ac2ff8e2330d1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}