{
  "manageEntity": {
    "action": "Update",
    "entityId": "943379685",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d98f793bcdbf3d8c74f80bbd1194f8d2dc79709a308c85513276e753de9cd68",
    "signature": "0xcd7b6f093e34945f5a324d0de3cd657ea84fc686b0e2b2920a99012c4b0b145a49cbe4f860fa52b47592bb7cafb34460251ef57cc8129ea9e18880a83daf02ff1c",
    "signer": "0x1feBd3f816Ec68734BAE26C7e26b9E16e485A845",
    "userId": "943379685"
  }
}