{
  "manageEntity": {
    "action": "Update",
    "entityId": "176360787",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x566ffab3f3b3aee9e522200974685fbb4f3975477d75540cfaf580820d029305",
    "signature": "0xb989d369be41877a65f5c6295777bf6a207be1e4df16403576852af9a489d865763c55afb055914e66786e808f9a094c53a5ae3c9c9fa0773de38b1a5d50cda91c",
    "signer": "0x6d9CDF7D0d9eD68a62e3BaCEe87c56385ADec394",
    "userId": "176360787"
  }
}