{
  "manageEntity": {
    "action": "Repost",
    "entityId": "464571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23dea78c9d45047a234a022b425ca499c66c7111c225c32488d9931ba8fca3ee",
    "signature": "0xb8f0b40d5bd2fd74a1ce134a3afda8e79fc65c775e043eb0e89eb836415a76436bc004c7e5af16d839b9364418af1b0561ea2a6500b7dae7b02e44839d0e2d951b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}