{
  "manageEntity": {
    "action": "Repost",
    "entityId": "853155111",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39763b1b17f34fe2fccc9a3f80f3e0d8a9688d0b23e749435d206f491b88938c",
    "signature": "0x19df236f3ac203d398cf79b8feacf45e60168797f05f6d9c2b94903cace6feec085eaf570ee211ff34ee3b5a65cee35ab19db90e7d1748e353624d9698e498381c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}