{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1473252433",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b1e3d5228ef442232e5e716ff782b77756330c64b5437601944110b4418a729",
    "signature": "0xd87a90a59f9dc7e00dad8a2c8fc441c0b5532a8ab2501dc0e9cefa0ff23eada532d86ca62795cf1bf4f48df4fb28232d22cbd19ff523d1a2342f86d567bfd7c21b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}