{
  "manageEntity": {
    "action": "Update",
    "entityId": "794549042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4juwzppc5sznkpndeecjfsizqp32cbgxcpvsg36w6wty4tdjvipq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":692976886},{\"type\":\"playlist\",\"playlist_id\":1749909546}]}}}",
    "nonce": "0x00a07850db1bee91223332d71dcd59f9d36f7c1013cd469ab7078cdef516a812",
    "signature": "0x0842dd866c2a18b4fa4e433b6b72f6c9bfa62b6c80c027de1be0b97da3b872de47f9b89f3a9c2d9ce47f6c368dd317f64588fe7e7845d0418bc0d6cd2f784a9c1c",
    "signer": "0xDcB9c7a7328fEF969b183B16F413686f370457f3",
    "userId": "794549042"
  }
}