{
  "manageEntity": {
    "action": "Repost",
    "entityId": "389167658",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0737f66a34a1495ae29a19647bbb12404fa9c0c04b23bd2d864c848e9bac961a",
    "signature": "0xe874d883be430a9cc1b0bc6068438eb32a014a5f382ffcfd80ee77a94053c4045d840041ef8a8bcb7193204abb4ad3cd43f75d54275d4b90e3b2a46d900456281c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}