{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503257862",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x325cc1cf57ac818c16fd58afadfa3c59d21b76e93eb647a0548ac1fda16a0967",
    "signature": "0xa58935102c6a663a33041b2ded97e1ddf827ff8812ba12481153c3fb7bdd121239503222691e7fa9b476f9c8714ff46847085bcd631f7dba64e7b571ff804b781b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}