{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600618",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x63fb665a84009137ab4a82f90c2802070a763c795bc4bf36904761f9920a54e9",
    "signature": "0x6e8be2300a86a13a0bb248095fae619f04f62df92269ba25894761697bed7f655e7111713226646240425e038f82cb509d7ce04aa78790a31cd4d0a6a2314f421b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}