{
  "manageEntity": {
    "action": "Update",
    "entityId": "472472299",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravo5xzrx4eqzioalqx63z3ngmbc5zrexdspz342z4up7j2fcujhyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":972},{\"type\":\"playlist\",\"playlist_id\":16272}]}}}",
    "nonce": "0xf9cadd991365a55edec2735ef22805f4466e1d44f4ce7bdfc2f1c2e66085d818",
    "signature": "0x255d827d2eb8f3548a3fda67a22e004f9343d62269a8c541e548b801a2aabea9569facbc64e442097190931f62702a7aee3d5a772ef56fac6b55b93f516287e61c",
    "signer": "0x8A2eb611ED13B7Bc9CED13f52F7e15b1055eA0EC",
    "userId": "472472299"
  }
}