{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1497800521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4cddd1edbb4257988ef3abd028650a298973d129016c5f6026dc2b01f1d06dc4",
    "signature": "0xf563b7a631600d5e4b843a43d29a1d8773d999d17e49571b0ccc90d37d18688077d6ba5e68b35444c6537563ce64239f237f36c942a9abe2e973ec1662c617301b",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}