{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639195369",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15686ac8ffa65383b7338df959149d133fbaded2a844ddcd490f433e898849a9",
    "signature": "0x6f5149da3f9511e4745b8becd737c09a3e3cbbd3dea73313af41149bc9f1ba135142b7cf5ffd820810d948c5f03ec614a7e163f7dda2802a791c0053602f03cf1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}