{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123421261",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x152216380d829cd0cea0f8f6db1071881176a1a0c9368d2a2ee6aed61dc5b9c8",
    "signature": "0xacec27235eac1659f9fbdea75227c8f804cfe7349a3f9e379a6b7e563dcc19ed4bb0d75745d33a9f79d6e5048a0f3d070dda05baf96f12de2bffc3cf31671c7a1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}