{
  "manageEntity": {
    "action": "Repost",
    "entityId": "57778593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b334e1ab0673bf066ee8dd2e9fae5880361a86d13fd5dd63e13694eac582378",
    "signature": "0x74b1c83ab758b01d7abb1b0c9fe21fb709d0a409b8f701df669df80706a6b2d54d5c0f187a84e886833bf62933d92bc498d1126b04f2feb10fba7de8efd5043d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}