{
  "manageEntity": {
    "action": "Update",
    "entityId": "864530018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraj3fd4rl3azoqxot2haul4crslmqdmvcodzwi4lodc5iygjw63hqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1742093109},{\"type\":\"playlist\",\"playlist_id\":836667750}]}}}",
    "nonce": "0xd26843d53869ac378e59a04ca150af07a9cdd4835c2331e9db8ea3299bcf6548",
    "signature": "0x7b704ab156ab5f44e7fa4198c59db61ca4db9da243d845aa593841c9d32cf0ab188916a1eb0ccf41bd92d418052eb32b2e8797f4f1a144e5afaab438e4b1d2181b",
    "signer": "0xeDE6cf2daA6681F46907C46194f3142e0C9ba4c0",
    "userId": "864530018"
  }
}