{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644089897",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc5903343147dd39e9ad8b6e3166cb425b557afe2bedd3db6804e43a637ac5467",
    "signature": "0x6baf28ffb94b8943c003ff6283594f15647e5d0dbb29ddc6b32b264ecd7ce02d376a4f6a0ff7ad81c065d0aebb2268376a5ec1de7c5a0d6d39df61adb87f7e6f1b",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}