{
  "manageEntity": {
    "action": "Repost",
    "entityId": "660838639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45beb83516366a6f6a7e0f795305fe1b5c37fbf9140648321a2c10d643b928c2",
    "signature": "0x617b121d1bc0a3b7bba6b1e4bb614493ff724af4da0e07522fc4fe0cbd83d07b391e6b6f6eb359f6e3dbe44f6b5d1aef2e72283aa816f72a86f6a68c6e380ae31b",
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    "userId": "35251"
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}