{
  "manageEntity": {
    "action": "Repost",
    "entityId": "756057004",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x665ca9b7fe1837ee62b359717f3ef9d617491bf9e598debd06a5c349354c7fe5",
    "signature": "0xcc023fe20d29fb2347e66c225b829c16425e0b0d5858f37f940d27c3be34b84e26776ffa21f2dd7d1ffa07e68f04686de3dee47ab6156063b23c7ef81600e71e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}