{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21083",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1fed9ad20a2d3a4399e8e34e57d95c668fb1441e82f42976858a96932b13a907",
    "signature": "0xed6ca9d0fda0b98e92b4bf9f3745a8db1f7d8c60deb37d7beb8c7b4bfa3f67a342df8f83e75af4ea41e33cb0329ea265dc52745a53e35a066030f7e720ed8eea1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}