{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748278409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd57c2bd171d2e4afd691e6769c5c3b07fd778baf3a5ac742225f93a27f83c7bf",
    "signature": "0x81143369df0fe040289a4e5c737206bf828c71edf7c44f04ff9eac21791a4cc713671c4018c656016d3e32f3baf0487d2a2f31f3c403edced72c20a9372a95091b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}