{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x83b2fe1081c549bb191fe467726fd7bd0dfb3f50373b8c9b4d34d1f77204d767",
    "signature": "0x2467fbfa2e75ba88ee03248997353aa36612e2c5f04fb9e97b11157bb3430e783624837fd026e6111108b1f775ac887cf81e2c7fa2a68ca79040101a49c838b91c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}