{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528397894",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c2e11fcc4e0b86d3f1f46ec2c171d5f29109136bab21d7cfbf23745451f2790",
    "signature": "0x58819e774e63ea3ac3f956779f3885350626735d41b74ede103d08e05a8ef9b5767874521c445121a694e2314916469f8c0d96d64138b35a2c6568dcb1462d381b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}