{
  "manageEntity": {
    "action": "Repost",
    "entityId": "522402263",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ec70bfe05d449be46b80ceaae07f03e0742337547e028e65dd60cc7ca47cf4f",
    "signature": "0xd1ea08a65d990b88e3ab001af9ed75fdbc13aefce957bd8004a00b49e7489b3f5ca0bd2cc29367f0dc58931ed32df71bb7019d98dc3a5d0ceb0ad2c4388504c21c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}