{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664158",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3dd0e47209162f37b634e9266518a2d471f5906576135d846ed07cdcc85caebe",
    "signature": "0x71c4a8a2a6d23a8e09b537b25d9a50caeb44e55d4e19588026a42ede4d9e1bdb4d56ee0c49c27ff23bcc893212a90112982e37fcf211815f3106af29a8f5b87f1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}