{
  "manageEntity": {
    "action": "Repost",
    "entityId": "663284318",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa538dad24d2711b0a9ddceff6adf41325fe75dec4986e2b2b75774e46cf44b16",
    "signature": "0xcf77b3f8aa9a4291c89d1186afa221cac23bd4d94ba5d7f8668bbdabc17c55c173be30f0709a656803785f433c4943ba37d3e33f6721ac9011468985b1decd8e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}