{
  "manageEntity": {
    "action": "Repost",
    "entityId": "561640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9003b7fab2f15a1b8965df4690adf678300bc240c44a497e2abf4908164a3158",
    "signature": "0x547df953ff05f1562473bbc3757e48ef51afbb9f9a06f43d999209270fa4bc317304f7f0ee16453421ec6452070f8f790992a18d5de5db09e5a8c4e7da3c99e71c",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}