{
  "manageEntity": {
    "action": "Repost",
    "entityId": "676604",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b7a913ffc3fd52377054887e60b580f50a315c813a783e1cc1c92772409f1c0",
    "signature": "0xfe44968f298e3ec1caf51915d0165843a335dd5c276ba4455545595feca753701e89758e9f2bb1211c39153d4de32f5e2fde764a8ace552c7b7e37ec0399b04d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}