{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564198557",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbc38affe58cce84cf8930c9d8bd079c858e2e69dbc3b205fa7e8107ece380619",
    "signature": "0x394ba2dd63efa54045a7273ab8ff609524a7abcf21a1d0340a6295423023f6232ae32a20ff83f5383ccba2795c52da2e35173bae0932a40937948224639047be1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}