{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b7cd5de0f4cfb42ef5761c3909d1fc1eee73e45fbd64128d4f69227631b39c5",
    "signature": "0xa565da84c23678dc4eb8ceca0c883f2c14c7f3444885d60ddde5e6242e22fcc849eb21344b51ab60435f51b053f08f5dd1fa4548270db6e6e71aaba14fe2193d1c",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}