{
  "manageEntity": {
    "action": "Repost",
    "entityId": "683500",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39b3f73e671444f9fb20cf346eb95f3fbad3ada05e971c7740946616b7e5843d",
    "signature": "0xfba57bcf351d5049dc827427ddff83616cf8aad4088b622432b134572eb1b4230687bd039caac41139c824e05b39d3e3b9dc9c5be8eef7c92c7720868939a7181c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}