{
  "manageEntity": {
    "action": "Repost",
    "entityId": "210700",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1afbaeffe66cbc36c669bf30fc14a8d22af0cac0b8c77c0ec14244669cec5e2e",
    "signature": "0x76b6b51659a49e01640bb463497e29c3929b9df68762353f9c092195330c89881f1d327a539fa104e64446f312affeeabcfa229903592d5cb6aa4956bff8a8071b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}