{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604575776",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb66d96b62cc90ca7eb304db893794fee2000a3c309f14a08c25feb78f1d00af2",
    "signature": "0xb8ea574cb9a5a609f9a63cea0d251305b89e55a4555faa0541c13565b84b1ed84a9f3b5f716245beab61f9b6d893da6d9f5335d4be00969b19f98516fddd772d1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}