{
  "manageEntity": {
    "action": "Repost",
    "entityId": "19161854",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54bdb74e2c59edad98cf8f15485153ef6f55ddaba06de2d91b3c6173ddcf3c5a",
    "signature": "0xe35b6f416bb18ad2f84972a10e3c5488958cf8c67d526b5dd8c29a77db918bbc531b82eca9ed68a721d78fdfc047289e47ccc0bbc15e998fb9523f6ee3fd094c1c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}