{
  "manageEntity": {
    "action": "Update",
    "entityId": "105402635",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraq3ow5ikmqcx6x54aogjna4xzafxwfyej2jauv56af7humap3freq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":29217}]}}}",
    "nonce": "0x16bd9a160ec9b8338776745bd8686dfe4d353b446a5120202c5dbde9567dc216",
    "signature": "0xed41a47330c2ff85a5e97c07abb78e1c8918ef1f53314d2280c34bebabae46cb4512b1dd155e1c2715fa68098b6dc0d0bdc78782a0e716068c5f7c5f3929ae381b",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}