{
  "manageEntity": {
    "action": "Update",
    "entityId": "897364472",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4tzasmfjt76vcmrcvri2rljofds4nkgjzgb56yqcildocpq5itaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1912718647}]}}}",
    "nonce": "0x201773da94a23117eca231f3f31195f89b8229582a91f29cdd71f2badfeee54a",
    "signature": "0xa871ad4bf6584adf7951e8fd94c54c22873198f20f3210315940a4e54bd5ef2d6052924d967fd914af6066ebf866f59b82cb5ef596acd1bfb39b9f4c02ff3b2e1c",
    "signer": "0x32Fd845f378647dEbE18A97347E93FE2221f633f",
    "userId": "897364472"
  }
}