{
  "manageEntity": {
    "action": "Repost",
    "entityId": "899554886",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19a5d933888834b59fbaba1dbed3df64b42caeb65441fb377945a88a4e98ddd5",
    "signature": "0x2d5f1c7620bf011ad756ece318d8e8b7283b5033f08391d6fee6c36d96945d7b7003178b30c2ceb2a8dd6f22247f0e5f5e612964c43b2fd8b31915ebeb48978a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}