{
  "manageEntity": {
    "action": "Update",
    "entityId": "698837711",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8cd09e7d1eb61fdf5b71c1bfd4166853da89e6fcdc6b8b2935aea6f7fcdd9f0c",
    "signature": "0xb8e1d2d2d66237d03f37e176c62da494887c7668f32e758dcfa7e619488f27a84588dad687e2a5c5f72fafe6c97cc8a62927774c13d8795822312c151639264c1b",
    "signer": "0x85658654b0d214DDe45d8545A3B214735b16E4Cd",
    "userId": "698837711"
  }
}