{
  "manageEntity": {
    "action": "Update",
    "entityId": "920693804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawd4kmr5psujnqmjx4o5nn6dk6jphtcltwqktfto7ozfonwc7cqiq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":941085582}]}}}",
    "nonce": "0xe2b2d9b737d9dbf545a2b1c884a3292c4be0b99d03831b29e8f86bf6394607a5",
    "signature": "0xbd7cd37935bdb36be3d0e461a7455bd6ee7488d3ac253f0e4b449643b3ea1b687fee20390f04800d58bf5d21dcf08f88af7730972316cf193572a98d0e47273b1b",
    "signer": "0x6A7681009B170d41A7816a1D53cb77Ce710c16D8",
    "userId": "920693804"
  }
}