{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1458215801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb2906cc231bbc0033d8487360b9fc10ab04c70cb8dc25173372fce4b0d511ea4",
    "signature": "0xc5559a8080829ea5a055d11ad7feb021a378e967a985a9458c742f9e38cfbd8c2ed0e0074049066030cc2c95f989ffb7d1482e1c94a21b68a9ca6f3bc391157e1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}