{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd52df677cdbe806735189e5b5ee0afce512a02a75a6c83e50b3808411be8ca6c",
    "signature": "0x3fc2f9fd62f4263f7ee54361dc174d45f3818778d6386d5dbac36e0baa949cdf6e56ec8d766e13f9abafdf198ab138b29078cbb1e6da47278345a2578d661bdc1b",
    "signer": "0x55B320FE4ae0dC96fE927A1d4fA23b18d1874EF1",
    "userId": "562822143"
  }
}