{
  "manageEntity": {
    "action": "Update",
    "entityId": "246996748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieram6avu7rajm2rs4eagkrxod7uhtfddgy4ogh4bx64q56hy5tqlxwq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":875696631}]}}}",
    "nonce": "0x1f33e800372471842031884f378ccc8d93a0308b6e7182f31d380d88ca36825f",
    "signature": "0x00aa013736bea3e866d6823768830e895322c5f956d69215b997e5507e1833446368430e405b956df6a32ea840fda4b7c7a7d66d020fca1d3c0d6ff58c2faf511c",
    "signer": "0x684a9194BeCE3b330c8b863D4C866bF0Cd7dCc6f",
    "userId": "246996748"
  }
}