{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489504",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x346f40a295e49b999bba9d8265dc0b3c73332973eff7946bde564c4f2687e284",
    "signature": "0x4e706675eaa7a5c9c9728a11b5ce93b22305a896a475c5efa9ff4f7a7b3e253211b5becf199dbff8f3214f9d94be27940f1d37902a0fb60a735f50d4cb8763521c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}