{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xad87f8042cb7f2b32d07a15302ac473048a734fad672a9e6f161e4684f36ccd8",
    "signature": "0x7814d596a254003aac7fc3da8e37110821d9790da781242bfd1bf6ae032ba5e85e1ef32cbfbdcc79539b6580defc8a9df395540abf62a337ef3b65583cbfff3e1c",
    "signer": "0x5A6DCd6E22135e4225594900c17114A7dAD01964",
    "userId": "580576096"
  }
}