{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00bd7dc2b1ab87e45347ff29bc0cc968f75b73b9790f3d431e99c0079f0e3441",
    "signature": "0xb04effa0f256fa8df39a2fe96a7ee61b0ff38af539e85532143a7edb2e9c9b2a0ebd4ac25be4d37a59391c957da83e4db5780430e638d83988c00dd9dd8969121c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}