{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554512",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x418a06f618d60f83ea32b63a16ceb9fe3e8e81da5e4975a309965525bc239461",
    "signature": "0xe9ba18e304d855da00f0d29ed8b181d6694e7e8785edf91bba6cca67fca579171421d39f54cc4110169df9c1d3a51477f4ab46205b940d77f711cacbbb0d0b351b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}