{
  "manageEntity": {
    "action": "Update",
    "entityId": "247794804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x94419ce799f6597bf3920bec9d511e48f613ba975174b90c0ef92188c306ba94",
    "signature": "0x61015680f4dc22812a1163ee9bb882269216dd43cddfe2b711ec9935f7d0de175087d8de05f0be44c359c14e369c34bceb6484b3aab0b7e6cf09980ac40098831b",
    "signer": "0xcA687e34E35EDD58A483fF7279f3F2271F0691FC",
    "userId": "247794804"
  }
}