{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7bc1bdc3780b0e38cb07b911a93a2842eecf3b01693098fb51deec7f030a11f8",
    "signature": "0xda079332f1ebd62f3c643a26b35a0be03a6c993d73fc7532ef8743f6f630a44953d4809c2b46c98e3aaabdf1ec926b1775d7c26b06863b63e17480f8ba43e9db1b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}