{
  "manageEntity": {
    "action": "Update",
    "entityId": "730721935",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xec3ef52791c991f7407ccff51544ac79c935ecc9929e26ef320fe5741064e32f",
    "signature": "0xb42409b9b041b2efe362b2b253bc0243efac34830fcce50b2c0d0ff94a194eee25a8752ceb19aab1605763f70a0ab596972ffbb9debd4bbe7088df1231e5e3a41b",
    "signer": "0x22BE227E528DB65123ac2f0c4fAc52284046E455",
    "userId": "730721935"
  }
}