{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1542787683",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1fbbd9490ff350ccadf4d27fc96f6543fd698d1210cb2ed5dabd6ac859cd2708",
    "signature": "0xdbbfbe4ba3503751acee1ecc1390f4b1b150ba719858bfc350e28466af5aff7b35e8e7dfe1f369f0d119ad3ac82da0713b5fac023f462d737f8fdc0651d74c2e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}