{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd60856ee10cc43068cbddb2cbe00e1e4b7dee65d441166de332e02650ec77390",
    "signature": "0xbf26b074b0b511cfb8207a9eeceb80cf7110f56ce7bb156eede65a7c604d4b9a732ca5003bb49ba233d53bbff2f727e767dd3a4a85f8e91dfbbccf0189d0bf5d1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}