{
  "manageEntity": {
    "action": "Update",
    "entityId": "636222349",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4o52srtfdtvuql7xyv2xe4eommmueh5evkucvzhqw6lm5e4vjwba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":430254547},{\"type\":\"playlist\",\"playlist_id\":254081018}]}}}",
    "nonce": "0xa3d0d533286a7a7dacb4734f664f1ce1da6777b2a1fe07a4a654406b9f785332",
    "signature": "0x326404798f4a940123c4b6d610a0bf2129318137b4c534c288fa77b8f7f244d770795b728da52a6ee73c9a6800a663c0d4bb138a6d0f0f40f58ea2f069c544881c",
    "signer": "0xE775277fd7056ae9833fcba300f28A8d4A7672cB",
    "userId": "636222349"
  }
}