{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671396651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b1a03160d55b6efbf4868fced511fb135d6bdc9da490ea9982fb9b096b8c6ea",
    "signature": "0xb40b29738c23bcf07590183295e0fc0c902efacda7fa60844b1ada9f7c2e125207133f4636e73543f8ae4136964b1df228d07410b550e3df8aa5e5a5d39a37fd1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}