{
  "manageEntity": {
    "action": "Repost",
    "entityId": "523171328",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd50d287b07cbbf949cc58da2d45ef3da2a277e53cec39e2dde102dd586cad2a4",
    "signature": "0xf8a520e6d84f8871c9f79564aa3c9cdeb1de11dc0f89ab4dc6f4252dab2abd2860291a250ae72c49bd14260b1e3e37ab73995dc4199931c5b86ffac5cb4603891b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}