{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506687319",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e54a53df30298dd5a0fcf6bdd49a60a2a011587cc85a9877730bc68934a5aab",
    "signature": "0xdbaf614cb68b3d76b1ec64e4e9f9b981350840fc32a36564dfc8b291db836db45ed65c9c3994194ffa242578ef843e94dc07940e751c3f494fa9e8a90eb16fa01c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}