{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123887",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4bdc8aa69938706bdb8aa418974f1f1b7a69273848d988d534cd4c991d5681a",
    "signature": "0xfd38f61672dfb63a1dc4943c2ad17cb752a438d9e98ec3611a12db13b3351db83d1be9e8d310ec5b76ddc95ccece12021c30cda62d03028ea4b7df022e3bdf371c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}