{
  "manageEntity": {
    "action": "Update",
    "entityId": "335878078",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierar7qa6ez2npq66iaz2isgvt23v2rlkoivvgkdpz2nfo3taozhbpwq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1683040392},{\"type\":\"playlist\",\"playlist_id\":1179766090}]}}}",
    "nonce": "0x14d24061f5b0338ec7560581c1f2e4071fb4169d0278f86355778639a554a71d",
    "signature": "0x9964a00559bbd235151dcba88cd4972707225abb1bd01de0d83e5c7eb343c4681717e4381a479a3619766bfff9ee9af4139dc56f86ae431c880390c0f69335b71b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}