{
  "manageEntity": {
    "action": "Repost",
    "entityId": "838456",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31c0e060a304311c10530e769d1c3effac2cedf66e5e5a2cf35836d604360852",
    "signature": "0xf8797bd40c5a75f8a480a82a542c9aaf9df926f4aacc9573eb8f61bf055636cf25893665d038794a41ab63a178a88a6a42164850efd81a2fb8c5c1ad110bc3201c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}