{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557780832",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b7729788e29db547ea3ec00e1dfb7f909d107166b2aa225317d15a0fcce9039",
    "signature": "0x906aa544dfc2f972a548bb60e8a4f596111d8f14b374091ef36c3a6fd868103a6c2ddfc93979bc784f69e747ecca9257ede48aeab40144de33217f25238bbca61b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}