{
  "manageEntity": {
    "action": "Update",
    "entityId": "109830197",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf38c1dcec9046fdb6e77c77319ac58d157542998ec68d26c68f7da639e69db93",
    "signature": "0x8bf4d0218a1077ca31b046a3c365b0f020b6909adcd54b8839d6212c54783a9f0bd63866bda9fa2cfe8a9089f35e66db6b7349d23270ce3661af8bec62d342c31b",
    "signer": "0x3D59bb7330Fbf2AD3f9482E052eBfCd683DEa744",
    "userId": "109830197"
  }
}