{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1321015901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x750e309238e337faed60999d85470b15a4cf8f8dc951086350a70a4561eab945",
    "signature": "0x0363388140abf49b220b41d586aa56cf9451bc62f7d6d551f72bc189e06e1de6135fb5fe35ec67cb35290c6e5ef76c77f5e5c82f8426c1b65b544c1b81e288931c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}