{
  "manageEntity": {
    "action": "Repost",
    "entityId": "874980355",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xedc673cc17273ffe2be888851eaa8a4e99d00c5b25cda5275a237734e18bb8ab",
    "signature": "0xf92f88658d5c0cf90fcfc367d789a41f5a1bbf19e212f3420f6500d3b6dced9c49f636e9ad2cc9936b5474567810de24d168dc42b1060514fa80eeb3292ff4a71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}