{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499576072",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7fa889f8d8b4b04215ab418fb333803e5d0f91a7b86b6c36102c1533667101b3",
    "signature": "0x1d9cb4dde5048c1057fdab1889e413f0d0a804591f37459cc8117c11fca9a2e04fa28b21aef041fd5bcd54609a330be26d986f4f84262c57c9d2a2961c5bfd231b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}