{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9a9a05c360f3f82cabc580e7b08985b21e5064b7b9271ef2d3fb7feef5993274",
    "signature": "0x1970b7fe35ab53f033243a0b05e4d0158e3182cfffd6dbfc0d5bf589bad071fa279b28831f0d75ea89e8045b1e77122db17b74d122360a3fe0627a3e5131302e1c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}