{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457291887",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd5e492a74f0eba05e97832153bb5886e7101109f9484b86b32c4bca9a0bee2f1",
    "signature": "0x6d424d4c95bd2a03311dd4cc973ea6be268288e6ed955ca0899573a1cbd3570f1cf020f09c455b9cce14a5c9753657733965ade41b91923e4f3649c5447d21961b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}