{
  "manageEntity": {
    "action": "Update",
    "entityId": "473382245",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x61f58203a44cb15bc61f6c3251cedc5037766d65eeb94bcacd2811db2259148a",
    "signature": "0x350f216860e176e5d0e14655314b871f7064c91792a52b152da083a0730d97e7572a24c9e3eefedc6e046a39e51b1c0f4df3ef77f13ad206b7e45533efa74f581b",
    "signer": "0xAd7C529d54576fAEEE684A615330a405a943324e",
    "userId": "473382245"
  }
}