{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666133",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0c78daf630eb4d6e29017afff004497cc7b4f847616c21c5626135d429b5cb34",
    "signature": "0x16fc361267e461761316704d8bae439175e0d8e0062c4f255a7792d4de856c4b4e8b4cdc3af3c6e2add04e5d8f84f3beeddba73537311dee7f9595c8f60975f71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}