{
  "manageEntity": {
    "action": "Update",
    "entityId": "61467990",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierat75qalzgth5nmlp3uwgyp4ujiqmlmvavzeerm73cn5bpczogsnga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1414641685}]}}}",
    "nonce": "0x64ba496ae548f0c828a1ef0b66be676587fabc722aee5b155ba184d1652fce26",
    "signature": "0x5539428d0a8b290ba7866f4e30e42e9feb69494ea319397a8d157876a93d71ac0a2629cd754b229f949ac19494a31e649f7093f9bcdfbb1036a9ca8cfeeaf2761c",
    "signer": "0x0f0Df36416d8B0eCB97310453479dBcead1b7eEb",
    "userId": "61467990"
  }
}