{
  "manageEntity": {
    "action": "Update",
    "entityId": "348456087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbb2e935b0daed0d5b9545291bfb10fd71ae746cd34d66a1a332606bb7e7fa3f6",
    "signature": "0x3477a5a1e56496cfc1dc7ca8372040ab7496a41ff362fd10fc524b20fdafc0264beb330e79ad34083794e0c8a1f41f7cc0e7f2bb013c347af070e490a7dfb74b1c",
    "signer": "0x7c33af5FeeE705F98865C38eE4351Cb7501A4a03",
    "userId": "348456087"
  }
}