{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721534380",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81baf33f134a0463095490c328c60717dc4319906cfbee7ff383342da57aa7e9",
    "signature": "0xc03845ba9c4520fb8e8332fd2b48d130092f15e7599129b4a075cce978e5428948656d5bddde7d0c77bf5faf13369f718ffafa624b8719e4afd138f63c8161771c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}