{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508617",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12716d5ee8b4b86b7f5ac2c5c8034fd923504f2076d34af0a0a5665b5600145c",
    "signature": "0xb3998d194a615160b79a319e77a67bb018302b20c9b8404f6c9d65f409a6781d46f1e6a3841d41149d3454095c76233d3c8e74f33f4f401af1e36a353c9c4f531b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}