{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1519610455",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ddf7edd1a34c667c52683ed847b94253aa3121b8ded7ad81d8a59f9869d86fb",
    "signature": "0xa5b71fa5b0cf1ec929487df5b41aded7fb7c517fea794aa4caccc1cb28d6de231300248f9a5036b0ad7db8e5af9369b288abdfefb47eada017c80e40eab96c801c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}