{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729966080",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb54bb0ed6824f106d16155be27937b367d201081f6ba2c54b58769a416575a5e",
    "signature": "0xa804c41e7f539d8097158728012d08be0caf67977fc98b715a8588f19befe8b31a0662179db364ae823589d47dd59c631a476c06f6b686ffb910db9c85cd064e1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}