{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578202511",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14a7ceb0c799f023168d1d615f926a415cf910b662c1afe0a42a97fef34407ed",
    "signature": "0xe27ef93d8b946988f855ae7d371935b00d4e7ddd6045d0913954947b72abfcb41e2f95e5bfa2dce5656a29fbffa75440034229fa52d623de08df2d823a16a2021c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}