{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445233",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5af15553d8fa9b12141a23badd15003c6e3b5149c6dffddb96d4713fd81af5c",
    "signature": "0x6b5f4ff64392fad6b9358417cf5ee769e746b9962fb5bf1d20b289eb647386b14103ae21e5863ba82e5d62d15291ce475fe6a5d658a14fe957901f56414088581b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}