{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508301",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x94468f0fb9b326fbfd6048838a239ba78e03c17391ceb7508b24a5a93c3b7f86",
    "signature": "0xe91eb6da47c57663645c828bba5127b0f04cb5d470dfd77354f9bab740fd0505632b8fe03aa56722709f42c9e8aa546ccd660795039eefb87eac4c5ceef6e8ba1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}