{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640804772",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7ad3aacf2b7cb6d2190c8f5867673d2b20a0d57b1a2da25e341b8109f7eba353",
    "signature": "0x885c1e40465801435e251a0241acb7f1c5bfb5c10a78258e3fff1fbf96d2840b1503ee1cfc416883551495422577d971540b5c6317e5c576000a4536ba8fa3e81c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}