{
  "manageEntity": {
    "action": "Repost",
    "entityId": "831461448",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5dace2ab3cc66bc05d43534d5caee906e490f0ac1591c7f67bbc90b02bddb4c1",
    "signature": "0xaf827c878df9ce912dbbf27411937a2a6256e4e0f42ee778066086a5d0511b1562059872e1e1cb784783e2479a4e1113ba46de63c954ac4d3f67a392d8d32c1e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}