{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668046",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e7fd93a9ddfd5ff40be089f25c9d4d28066afcd02dbc151c759e98e453390b6",
    "signature": "0xb2e3a6d7856e8c13d8a3d2e9df74dc56b9641ebf88334cdd1aa09b9def814cc6514622eb4427cc013a881fa81cdd043f09c23d51b06eefaf29fce784d16eb9091b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}