{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xde6d7903af22f031160c2c76e1c70e876b3162a0b12bbfbb7942015d9cb2cd29",
    "signature": "0x75b6fbcd6d91450d74efbebbde9b6ce5d70c3f61bbab0529daa1a01e6dec3033632bdab8e6ba9302a74746dd8ca343194bb950dabdfd33e91d6498763ce807721b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}