{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x776526445a201bd08ebd0394d91f128e70aad66549e3e76ac61e2a31db8a6651",
    "signature": "0xec599f031f9217b38ed6cf6fe28c3c30b258fd0feb9394c95d56c2e8ebe66f6a099099e25489b1fadfc08cadf9b00b83194119890ab7afca70ac76e95a7af8891c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}