{
  "manageEntity": {
    "action": "Repost",
    "entityId": "670121",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd71de8002af696e3e8a6ee7b3e8d2ccf5e7efe951a2093cf36d75c843e6231cf",
    "signature": "0x7b85fbc616471acd7c8cfe010dd3387e32344e7ae81e618c311d097e3e8794bf753c290d8c932722d0cc20df5e5ce32cae5ac054c46d5a4359db59130f794f3d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}