{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448851",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeaf4e249ada79e534e4849bb1e84ef2fa8e7892222a9f4cb79d7394cd01170af",
    "signature": "0xf3afd8d12f9104009507fa9647bf5063315073555be434279f54143f2f489c8059ca44ee6bfecb745feb601bfe0771cc5303ff2dd1f114cb8a86ba302b66c9771b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}