{
  "manageEntity": {
    "action": "Repost",
    "entityId": "838766625",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b012a06308981199c76092a9c131975c83893170855734ef4a25bfe9f47dafa",
    "signature": "0x771b5811b40a5a5292740e63861b023031190ef5db50ce6d2fcc0d53a7397f7e3043f62eb7d1109361b1e9c06348cbf899a53572f82563eb52d70d249e2e520e1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}