{
  "manageEntity": {
    "action": "Update",
    "entityId": "708281325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x80d155974c5d06cc6ba675aab925d28d09c083e028077eb5af6ed6f8438642a6",
    "signature": "0xd058e9af7f7a807972bd34d6297ae0adffe5e430eb8b31b7156bcc3940acf7ad08381c4b990819fb8b4130fd67e9b2dc864b7bf4bf190f024d4885d4ae8983741c",
    "signer": "0x95039C5e9fA958bCe7C8bD76e20eb23F4E531e54",
    "userId": "708281325"
  }
}