{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2913ca35b0ace3f4fc7ec2caaf776c3f7f582ecb69a1dc3fbf9734bfc2c1ce0e",
    "signature": "0x9e9bc44ada402773d301e20169e85fdbbf2fda6baa1f025cc901a931cc5328c01093d462e22535bcce37053aa6e3fc08fa3513e3c91d77ff096b92fbdc304fd91c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}