{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121420",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x180b3ad682387c09971ed354c681b142169e1d604d0c9903eeeb164d058f1d2e",
    "signature": "0xeca8c03d626ccaf7947aee8a4cfb87c7825609673cb4cf0d22da90c22842c0cf03924084ede57d622e87d1bc249fea321e67fdb5ca2e39178602ccc1898f70e91b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}