{
  "manageEntity": {
    "action": "Update",
    "entityId": "635245416",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb17238d8c82c505caf85a99b2955be6ac9f34d31158848c2e7a6f9e20b63b724",
    "signature": "0x1052fbb5ee83c8acb519e9edc24f3c98ff052a66484bec20e85decd3012caf1c54679892d83bccf2ade051278c6b0b07b7f5547bc05ead574d4efad4935c00981b",
    "signer": "0x6b8CBA667a1288Caa4Eb2f1ABF8e68cBDf4af260",
    "userId": "635245416"
  }
}